741908861649 has 16 divisors (see below), whose sum is σ = 1125932149440. Its totient is φ = 482542348320.

The previous prime is 741908861581. The next prime is 741908861669. The reversal of 741908861649 is 946168809147.

741908861649 is a `hidden beast` number, since 7 + 4 + 1 + 9 + 0 + 8 + 8 + 616 + 4 + 9 = 666.

It is not a de Polignac number, because 741908861649 - 2⁷ = 741908861521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (741908861669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335097747 + ... + 335099960.

It is an arithmetic number, because the mean of its divisors is an integer number (70370759340).

Almost surely, 2^741908861649 is an apocalyptic number.

It is an amenable number.

741908861649 is a deficient number, since it is larger than the sum of its proper divisors (384023287791).

741908861649 is a wasteful number, since it uses less digits than its factorization.

741908861649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670197757 (or 670197751 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 741908861649 in words is "seven hundred forty-one billion, nine hundred eight million, eight hundred sixty-one thousand, six hundred forty-nine".